bd6709fs ROHM Co. Ltd., bd6709fs Datasheet

bd6709fs

Manufacturer Part Number

bd6709fs

Description

Dc Brushless Motor Drivers For Cooling Fans Speed Controllable Single-phase Full-wave Dc Brushless Fan Motor Drivers

Manufacturer

ROHM Co. Ltd.

Datasheet

1.BD6709FS.pdf (41 pages)

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

H&T Electronics

Part Number:

bd6709fs-E2

Quantity:

20 000

Current page: 1 of 41
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DC Brushless Motor Drivers for Cooling Fans

Speed Controllable

Single-phase Full-wave

DC Brushless Fan Motor Drivers

BD6709FS, BD6718FV, BD6721FS, BD6722FS

●Description

●Features

● Application

●Lineup

This is the summary of models that suit for 12V speed controllable fan for desktop PC and general consumer equipment.

They employ Bi-CDMOS process, and realize low ON resistance, low power consumption. They incorporate lock protection

and automatic restart circuit, current limiting circuit.

For 12V fan for desktop PC, server and general consumer equipment

1) Power Tr incorporated (BD6709FS、BD6721FS)

2) Pre-driver compatible for external Tr (BD6718FV)

3) Low side power Tr incorporated half pre-driver (BD6722FS)

4) Current limiting circuit

5) PWM soft switching driver (BD6721FS、BD6722FS)

6) Soft start circuit (BD6722FS)

7) Lock protection and automatic restart circuit

8) Rotating speed pulse signal (FG) output

9) Lock alarm signal (AL) output (BD6718FV、BD6721FS、BD6722FS)

12V speed controllable

single-phase full-wave

TECHNICAL NOTE

Soft switching not available

Soft switching available

Power Tr incorporated

Half pre-driver

Pre-driver

BD6709FS

BD6718FV

BD6721FS

BD6722FS

Jan. 2007

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